---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-40401 5.15.0-186-generic #196-Ubuntu SMP Sat Jun 20 16:09:34 UTC 2026 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Address sizes: 40 bits physical, 48 bits virtual Byte Order: Little Endian CPU(s): 4 On-line CPU(s) list: 0-3 Vendor ID: AuthenticAMD Model name: AMD EPYC-Rome Processor CPU family: 23 Model: 49 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 4 Stepping: 0 BogoMIPS: 5599.99 Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm rep_good nopl cpuid extd_apicid tsc_known_freq pni pclmulqdq ssse3 fma cx16 sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm cmp_legacy svm cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw topoext perfctr_core ssbd ibrs ibpb stibp vmmcall fsgsbase tsc_adjust bmi1 avx2 smep bmi2 rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 clzero xsaveerptr wbnoinvd arat npt nrip_save umip rdpid arch_capabilities Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 128 KiB (4 instances) L1i cache: 128 KiB (4 instances) L2 cache: 2 MiB (4 instances) L3 cache: 64 MiB (4 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-3 Vulnerability Gather data sampling: Not affected Vulnerability Indirect target selection: Not affected Vulnerability Itlb multihit: Not affected Vulnerability L1tf: Not affected Vulnerability Mds: Not affected Vulnerability Meltdown: Not affected Vulnerability Mmio stale data: Not affected Vulnerability Reg file data sampling: Not affected Vulnerability Retbleed: Mitigation; untrained return thunk; SMT disabled Vulnerability Spec rstack overflow: Mitigation; SMT disabled Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl and seccomp Vulnerability Spectre v1: Mitigation; usercopy/swapgs barriers and __user pointer sanitization Vulnerability Spectre v2: Mitigation; Retpolines; IBPB conditional; STIBP disabled; RSB filling; PBRSB-eIBRS Not affected; BHI Not affected Vulnerability Srbds: Not affected Vulnerability Tsa: Not affected Vulnerability Tsx async abort: Not affected Vulnerability Vmscape: Not affected ---> nproc: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 1.6G 1.1M 1.6G 1% /run /dev/vda1 78G 13G 65G 17% / tmpfs 7.9G 0 7.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 1.6G 4.0K 1.6G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15989 705 8123 4 7161 14941 Swap: 1023 0 1023 ---> ip addr: 1: lo: mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: ens3: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:bc:78:0c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.215/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83852sec preferred_lft 83852sec inet6 fe80::f816:3eff:febc:780c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether d2:5c:08:69:61:2d brd ff:ff:ff:ff:ff:ff inet 10.250.0.254/24 brd 10.250.0.255 scope global docker0 valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-40401) 08/23/26 _x86_64_ (4 CPU) 11:59:05 LINUX RESTART (4 CPU) 12:00:36 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:10:36 30.15 3.84 24.13 2.18 199.20 5260.01 3454.32 12:20:01 24.68 0.02 21.76 2.89 0.47 2008.99 6700.92 12:30:36 24.46 0.03 22.08 2.35 1.02 3783.82 5750.55 12:40:29 25.87 0.15 10.33 15.38 10.19 7575.45 250779.25 Average: 26.29 1.01 19.61 5.66 52.85 4674.88 66116.26 12:00:36 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:10:36 10060880 13617732 2341404 14.30 137956 3541708 2457296 14.10 645616 5271596 30836 12:20:01 8925104 12920708 3035132 18.54 155044 3930912 3102348 17.81 758316 6273240 120808 12:30:36 7473244 12343088 3609136 22.04 173696 4749116 3431516 19.70 1024088 7402532 820 12:40:29 8489752 15462508 481756 2.94 190148 6768440 1001540 5.75 1798572 5534548 16 Average: 8737245 13586009 2366857 14.46 164211 4747544 2498175 14.34 1056648 6120479 38120 12:00:36 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:10:36 lo 1090.31 1090.31 1033.23 1033.23 0.00 0.00 0.00 0.00 12:10:36 ens3 137.26 107.31 1159.36 20.97 0.00 0.00 0.00 0.00 12:10:36 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:20:01 lo 1353.48 1353.48 1289.44 1289.44 0.00 0.00 0.00 0.00 12:20:01 ens3 33.92 28.39 14.40 10.00 0.00 0.00 0.00 0.00 12:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:30:36 lo 899.09 899.09 849.50 849.50 0.00 0.00 0.00 0.00 12:30:36 ens3 40.52 31.60 23.35 10.40 0.00 0.00 0.00 0.00 12:30:36 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:40:29 lo 2600.93 2600.93 9403.04 9403.04 0.00 0.00 0.00 0.00 12:40:29 ens3 83.64 98.74 149.65 1261.09 0.00 0.00 0.00 0.00 12:40:29 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1475.92 1475.92 3118.87 3118.87 0.00 0.00 0.00 0.00 Average: ens3 73.90 66.46 337.37 322.87 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-40401) 08/23/26 _x86_64_ (4 CPU) 11:59:05 LINUX RESTART (4 CPU) 12:00:36 CPU %user %nice %system %iowait %steal %idle 12:10:36 all 45.68 0.00 1.92 0.10 0.08 52.22 12:10:36 0 45.53 0.00 2.09 0.14 0.08 52.16 12:10:36 1 44.73 0.00 1.67 0.05 0.08 53.47 12:10:36 2 46.63 0.00 2.09 0.08 0.08 51.12 12:10:36 3 45.83 0.00 1.85 0.12 0.09 52.11 12:20:01 all 65.46 0.00 2.33 0.04 0.11 32.05 12:20:01 0 62.24 0.00 2.19 0.04 0.11 35.41 12:20:01 1 65.57 0.00 2.43 0.06 0.11 31.83 12:20:01 2 67.42 0.00 2.57 0.04 0.11 29.86 12:20:01 3 66.64 0.00 2.11 0.03 0.11 31.11 12:30:36 all 45.01 0.00 1.91 0.07 0.09 52.92 12:30:36 0 44.98 0.00 2.03 0.05 0.09 52.84 12:30:36 1 44.63 0.00 1.91 0.09 0.09 53.27 12:30:36 2 44.60 0.00 1.76 0.08 0.09 53.47 12:30:36 3 45.85 0.00 1.93 0.05 0.10 52.08 12:40:29 all 35.28 0.00 1.45 0.13 0.08 63.06 12:40:29 0 33.18 0.00 1.16 0.20 0.08 65.39 12:40:29 1 33.62 0.00 1.49 0.11 0.08 64.70 12:40:29 2 34.43 0.00 1.35 0.21 0.08 63.93 12:40:29 3 39.91 0.00 1.81 0.01 0.08 58.19 Average: all 47.59 0.00 1.90 0.08 0.09 50.34 Average: 0 46.26 0.00 1.87 0.11 0.09 51.67 Average: 1 46.85 0.00 1.87 0.08 0.09 51.11 Average: 2 47.97 0.00 1.93 0.10 0.09 49.91 Average: 3 49.28 0.00 1.92 0.05 0.09 48.66